24402402020020 has 12 divisors (see below), whose sum is σ = 51245044242084. Its totient is φ = 9760960808000.

The previous prime is 24402402019981. The next prime is 24402402020083. The reversal of 24402402020020 is 2002020420442.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16896489765156 + 7505912254864 = 4110534^2 + 2739692^2 .

It is a junction number, because it is equal to n+sod(n) for n = 24402402019973 and 24402402020000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610060050481 + ... + 610060050520.

It is an arithmetic number, because the mean of its divisors is an integer number (4270420353507).

Almost surely, 2^{24402402020020} is an apocalyptic number.

24402402020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24402402020020 is an abundant number, since it is smaller than the sum of its proper divisors (26842642222064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

24402402020020 is a wasteful number, since it uses less digits than its factorization.

24402402020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220120101010 (or 1220120101008 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 24402402020020 its reverse (2002020420442), we get a palindrome (26404422440462).

The spelling of 24402402020020 in words is "twenty-four trillion, four hundred two billion, four hundred two million, twenty thousand, twenty".